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You plan to borrow $400,000 at a 5% annual interest rate for your mortgage. The terms require you to amortize the loan with 30 year equal end of month payments. 30*12=360.

1. In year 3 (ie payment does not equal 25- payment does not equal 36) how much principal and interest will be paid respectively?

2. In year 5 how much principal and interest will be paid respectively?

3. In year 10 how much principal and interest will be paid respectively?

4. In year 20 how much principal and interest will be paid respectively?